<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        div{
            height: 700px;
            width: 600px;
            border: 1px solid rgb(255, 255, 255);
            margin: 0 auto;
            /* text-align: center; */
        }
        li{
            list-style: none;
        }
       .a1{
            margin-top: 10px;
            text-align: left;
       }
       .a2{
           height: 50px;
           width: 50px;
           background-color: rgb(150, 108, 108);
           border-radius: 50%;
           margin-top: 10px;
           text-align: center;
           line-height: 50px;
       }
       .a3{
            height: 30px;
            width: 100px;
            background-color: rgb(84, 84, 250);
            color: #ffffff;;
            border-radius: 35%;
            margin-left: 500px;
       }
       .switch {
            position: relative;
            display: inline-block;
            width: 60px;
            height: 34px;
        }

        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
 
        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            -webkit-transition: .4s;
            transition: .4s;
            border-radius: 34px;
        }
 
        .slider:before {
            position: absolute;
            content: "";
            height: 26px;
            width: 26px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            -webkit-transition: .4s;
            transition: .4s;
            border-radius: 50%;
        }
 
        input:checked + .slider {
            background-color: #4CD964;
        }
 
        input:focus + .slider {
            box-shadow: 0 0 1px #4CD964;
        }
 
        input:checked + .slider:before {
            -webkit-transform: translateX(26px);
            -ms-transform: translateX(26px);
            transform: translateX(26px);
        }
 
        .slider.round {
            border-radius: 34px;
        }
 
        .slider.round:before {
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div>
        <ul>
            <li>
                <img style="height: 30%; width: 100%;" src="img\01.jpg" />
            </li>
            <li class="a1">
                在您的所有设备同步并个性化设置
            </li>
                <li class="a2">
                    W
                </li>
                    <button class="a3">开启同步功能</button>             
            <br><hr>
            <ul>    
                <li class="a1">
                    其他服务
                </li>
            </ul>
                <br>
                <ul>
                    <li>
                        <a>允许登录</a>
                            <label class="switch">
                                <input type="checkbox" id="mySwitch" onchange="updateStatus()">
                                <span class="slider round"></span>
                            </label>
                    </li>
                <br>
                    <li>
                        <a>帮助我们改进功能和性能</a>
                            <label class="switch">
                                <input type="checkbox" id="mySwitch" onchange="updateStatus()">
                                <span class="slider round"></span>
                            </label>
                    </li>
                <br>
                    <li>
                        <a>改善搜索和浏览体验</a>
                            <label class="switch">
                                <input type="checkbox" id="mySwitch" onchange="updateStatus()">
                                <span class="slider round"></span>
                            </label>
                    </li>
                    <li>
                        <a>改善搜索建议</a>
                            <label class="switch">
                                <input type="checkbox" id="mySwitch" onchange="updateStatus()">
                                <span class="slider round"></span>
                            </label>
                    </li>
                    
            </ul>
        </ul> 
    </div>
</body>
</html>